Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
The KCNA Book

You're reading from   The KCNA Book Pass the Kubernetes and Cloud Native Associate exam in style

Arrow left icon
Product type Paperback
Published in Jun 2023
Publisher
ISBN-13 9781835080399
Length 197 pages
Edition 1st Edition
Arrow right icon
Author (1):
Arrow left icon
Nigel Poulton Nigel Poulton
Author Profile Icon Nigel Poulton
Nigel Poulton
Arrow right icon
View More author details
Toc

Table of Contents (12) Chapters Close

1. Getting started 2. 1: Setting the scene FREE CHAPTER 3. 2: Cloud native architecture 4. 3: Container orchestration 5. 4: Kubernetes Fundamentals 6. 5: Cloud native application delivery 7. 6: Cloud native observability 8. The exam 9. 8: Sample test
10. What next Appendix A: Chapter quiz answers 1. Appendix B: Sample Test answers

Virtualisation

In the distant past we deployed one application per physical server. This was a huge waste of physical resources and company capital. It also delayed the rollout of applications while physical servers were procured, racked, patched into the network, and had an operating system installed.

Virtualisation technologies like VMware came along and opened the door for us to run multiple applications on a single physical server. This meant we didn’t have to buy a new server for every new app, we could deploy apps very quickly to virtual machines on existing servers and avoid all of the following:

  • No more waiting for finance to approve server purchases
  • No more waiting for the datacenter team to rack and cable servers
  • No more waiting for the network team to authorise servers on the network
  • No more waiting for sysadmins to install operating systems

Almost immediately we went from wasting money on over-powered physical servers that took ages to purchase and install...

You have been reading a chapter from
The KCNA Book
Published in: Jun 2023
Publisher:
ISBN-13: 9781835080399
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime